Analysis

  • max time kernel
    148s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-07-2024 16:09

General

  • Target

    4f1276b550ab50b016775116ae196bef_JaffaCakes118.exe

  • Size

    4.7MB

  • MD5

    4f1276b550ab50b016775116ae196bef

  • SHA1

    ba29672a510319790d598b904b51ae25234cb7b3

  • SHA256

    5ad271e34d2bee4cf1ef660ee972d19d6c69a87a4118df1bca055efcb91e4284

  • SHA512

    71149c597afbb669b3be1360f59bef494994bd19aa5a37f3d496b9702df88334690cbb3545ca5a1af29517b6672b5f6ec6cad48186e59d2863dd0bb7b3984c63

  • SSDEEP

    98304:f3CTd8/K8PTPiVOqu713o5f7w5sxiphTtMlYiBUlwrFfwg:f0deTlV07wCxghT4Tfw

Malware Config

Signatures

  • Glupteba

    Glupteba is a modular loader written in Golang with various components.

  • Glupteba payload 17 IoCs
  • Modifies Windows Firewall 2 TTPs 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs

    Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.

  • Drops file in Windows directory 2 IoCs
  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 6 IoCs

    Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

  • Modifies data under HKEY_USERS 64 IoCs
  • Modifies system certificate store 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 18 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4f1276b550ab50b016775116ae196bef_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\4f1276b550ab50b016775116ae196bef_JaffaCakes118.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:4892
    • C:\Users\Admin\AppData\Local\Temp\4f1276b550ab50b016775116ae196bef_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\4f1276b550ab50b016775116ae196bef_JaffaCakes118.exe"
      2⤵
      • Adds Run key to start application
      • Checks for VirtualBox DLLs, possible anti-VM trick
      • Drops file in Windows directory
      • Modifies data under HKEY_USERS
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:8
      • C:\Windows\system32\cmd.exe
        C:\Windows\Sysnative\cmd.exe /C "netsh advfirewall firewall add rule name="CloudNet" dir=in action=allow program="C:\Users\Admin\AppData\Roaming\EpicNet Inc\CloudNet\cloudnet.exe" enable=yes"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:4356
        • C:\Windows\system32\netsh.exe
          netsh advfirewall firewall add rule name="CloudNet" dir=in action=allow program="C:\Users\Admin\AppData\Roaming\EpicNet Inc\CloudNet\cloudnet.exe" enable=yes
          4⤵
          • Modifies Windows Firewall
          • Event Triggered Execution: Netsh Helper DLL
          PID:1208
      • C:\Windows\system32\cmd.exe
        C:\Windows\Sysnative\cmd.exe /C "netsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:4984
        • C:\Windows\system32\netsh.exe
          netsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes
          4⤵
          • Modifies Windows Firewall
          • Event Triggered Execution: Netsh Helper DLL
          PID:3004
      • C:\Windows\rss\csrss.exe
        C:\Windows\rss\csrss.exe /6-JaffaCakes118
        3⤵
        • Executes dropped EXE
        • Modifies data under HKEY_USERS
        • Modifies system certificate store
        • Suspicious behavior: EnumeratesProcesses
        PID:4344

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\rss\csrss.exe

    Filesize

    4.7MB

    MD5

    4f1276b550ab50b016775116ae196bef

    SHA1

    ba29672a510319790d598b904b51ae25234cb7b3

    SHA256

    5ad271e34d2bee4cf1ef660ee972d19d6c69a87a4118df1bca055efcb91e4284

    SHA512

    71149c597afbb669b3be1360f59bef494994bd19aa5a37f3d496b9702df88334690cbb3545ca5a1af29517b6672b5f6ec6cad48186e59d2863dd0bb7b3984c63

  • memory/8-8-0x0000000000400000-0x00000000016A2000-memory.dmp

    Filesize

    18.6MB

  • memory/8-16-0x0000000000400000-0x00000000016A2000-memory.dmp

    Filesize

    18.6MB

  • memory/8-10-0x0000000000400000-0x00000000016A2000-memory.dmp

    Filesize

    18.6MB

  • memory/8-9-0x0000000000400000-0x00000000016A2000-memory.dmp

    Filesize

    18.6MB

  • memory/4344-23-0x0000000000400000-0x00000000016A2000-memory.dmp

    Filesize

    18.6MB

  • memory/4344-22-0x0000000000400000-0x00000000016A2000-memory.dmp

    Filesize

    18.6MB

  • memory/4344-30-0x0000000000400000-0x00000000016A2000-memory.dmp

    Filesize

    18.6MB

  • memory/4344-27-0x0000000000400000-0x00000000016A2000-memory.dmp

    Filesize

    18.6MB

  • memory/4344-25-0x0000000000400000-0x00000000016A2000-memory.dmp

    Filesize

    18.6MB

  • memory/4344-24-0x0000000000400000-0x00000000016A2000-memory.dmp

    Filesize

    18.6MB

  • memory/4344-18-0x0000000000400000-0x00000000016A2000-memory.dmp

    Filesize

    18.6MB

  • memory/4344-19-0x0000000000400000-0x00000000016A2000-memory.dmp

    Filesize

    18.6MB

  • memory/4344-21-0x0000000000400000-0x00000000016A2000-memory.dmp

    Filesize

    18.6MB

  • memory/4892-3-0x0000000000400000-0x0000000000AEB000-memory.dmp

    Filesize

    6.9MB

  • memory/4892-1-0x0000000003440000-0x00000000037E0000-memory.dmp

    Filesize

    3.6MB

  • memory/4892-2-0x00000000037E0000-0x0000000003EB0000-memory.dmp

    Filesize

    6.8MB

  • memory/4892-6-0x0000000000400000-0x0000000000AEB000-memory.dmp

    Filesize

    6.9MB

  • memory/4892-5-0x00000000037E0000-0x0000000003EB0000-memory.dmp

    Filesize

    6.8MB

  • memory/4892-4-0x0000000000400000-0x00000000016A2000-memory.dmp

    Filesize

    18.6MB